/* ==========================================================================
   VIBRESS DEFAULT THEME - Reference Design Match (Vibress Casper Overhaul)
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap");

:root {
  --vb-accent-color: #ff2865;
  --accent-color: var(--vb-accent-color);
  --brand-pink: var(--vb-accent-color);
  --brand-pink-hover: var(--vb-accent-color);
  --brand-pink-light: rgba(255, 40, 101, 0.08);

  --bg-base: #fdfdfd;
  --bg-surface: #ffffff;
  --bg-subtle: #f8fafc;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --border-hairline: rgba(15, 23, 42, 0.08);
  --border-subtle: #e2e8f0;

  --font-sans:
    "Plus Jakarta Sans", "Inter", system-ui, -apple-system, sans-serif;
  --radius-full: 9999px;
  --radius-lg: 16px;
  --radius-md: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

/* Layout Core */
.viewport {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.outer {
  width: 100%;
  padding-left: clamp(1.25rem, 5vw, 3rem);
  padding-right: clamp(1.25rem, 5vw, 3rem);
}

.inner {
  max-width: 1140px;
  margin: 0 auto;
  width: 100%;
}

/* ==========================================================================
   Header Navigation (Top Bar)
   ========================================================================== */
.vb-head {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-hairline);
  padding-top: 1.15rem;
  padding-bottom: 1.15rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.vb-head-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.vb-head-menu-left .nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.vb-head-menu-left .nav a:hover {
  color: var(--text-primary);
}

.vb-head-brand {
  text-align: center;
}

.vb-head-logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.vb-head-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem;
}

.vb-search-btn {
  background: none;
  border: none;
  padding: 0.25rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
}

.vb-search-btn:hover {
  color: var(--text-primary);
}

.vb-head-signin {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.vb-head-signin:hover {
  color: var(--text-primary);
}

.vb-head-subscribe-btn {
  background-color: var(--vb-accent-color);
  color: #ffffff;
  border: none;
  padding: 0.55rem 1.35rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
}

.vb-head-subscribe-btn:hover {
  filter: brightness(0.92);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.14);
}

/* ==========================================================================
   Full-Bleed Hero Gradient Banner
   ========================================================================== */
.site-header-gradient {
  background: linear-gradient(120deg, #1b1664 0%, #4a1362 45%, #9b1a5d 100%);
  color: #ffffff;
  padding-top: clamp(4rem, 8vw, 6rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
  text-align: center;
}

.site-header-gradient-title {
  font-size: clamp(2.25rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin: 0 0 2.25rem 0;
  color: #ffffff;
}

/* Inline Email Form (Pill) */
.inline-subscribe-form {
  width: 100%;
}

.inline-subscribe-pill {
  max-width: 480px;
  margin: 0 auto;
  background-color: #ffffff;
  border-radius: var(--radius-full);
  padding: 5px 5px 5px 22px;
  display: flex;
  align-items: center;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.inline-subscribe-pill input {
  border: none;
  outline: none;
  flex: 1;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: #0f172a;
  background: transparent;
}

.inline-subscribe-pill input::placeholder {
  color: #94a3b8;
}

.inline-subscribe-submit {
  background-color: var(--vb-accent-color);
  color: #ffffff;
  border: none;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
}

.inline-subscribe-submit:hover {
  filter: brightness(0.92);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.14);
}

/* Footer Variant of Email Form */
.inline-subscribe-form.is-footer .inline-subscribe-pill {
  background-color: #f1f5f9;
  box-shadow: none;
  border: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Main Content Feed (Horizontal Cards)
   ========================================================================== */
.site-main {
  flex-grow: 1;
  padding-top: 3.5rem;
  padding-bottom: 5rem;
}

.feed-section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.feed-section-header::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-hairline);
}

.post-feed-horizontal {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 820px;
}

.post-card-horizontal {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  text-decoration: none;
}

.post-card-horizontal-image-link {
  width: 280px;
  height: 175px;
  flex-shrink: 0;
  border-radius: 12px;
  overflow: hidden;
  background-color: #0f172a;
}

.post-card-horizontal-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.post-card-horizontal:hover .post-card-horizontal-image {
  transform: scale(1.04);
}

.post-card-horizontal-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card-horizontal-title {
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem 0;
  color: var(--text-primary);
  transition: color 0.2s ease;
}

.post-card-horizontal:hover .post-card-horizontal-title {
  color: var(--text-secondary);
}

.post-card-horizontal-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 0.85rem 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-horizontal-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ==========================================================================
   Footer Newsletter Section & Social Links
   ========================================================================== */
.site-footer-newsletter {
  padding-top: 5rem;
  padding-bottom: 4rem;
  text-align: center;
}

.footer-newsletter-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem 0;
}

.footer-newsletter-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin: 0 0 2rem 0;
}

.footer-social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.footer-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: transform 0.2s ease;
}

.footer-social-btn:hover {
  transform: translateY(-2px);
  color: var(--vb-accent-color);
}

/* Bottom Footer Bar */
.site-footer-bottom {
  border-top: 1px solid var(--border-hairline);
  padding-top: 2rem;
  padding-bottom: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.site-footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-footer-brand {
  font-weight: 800;
  color: var(--text-primary);
}

/* ==========================================================================
   Subscribe Modal Backdrop & Dialog (Image 3 Match)
   ========================================================================== */
.subscribe-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: modalFadeIn 0.25s ease-out;
}

.subscribe-modal-backdrop-hit {
  position: absolute;
  inset: 0;
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
  cursor: default;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.subscribe-modal-container {
  background-color: #ffffff;
  width: 100%;
  max-width: 440px;
  border-radius: 16px;
  padding: 2.5rem 2rem 2.25rem 2rem;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  animation: modalSlideUp 0.25s ease-out;
}

@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.subscribe-modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: #64748b;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.subscribe-modal-close:hover {
  color: var(--text-primary);
  background-color: #f1f5f9;
}

.subscribe-modal-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-align: center;
  margin: 0 0 1.75rem 0;
  color: #0f172a;
}

.subscribe-modal-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.subscribe-modal-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.subscribe-modal-field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #475569;
}

.subscribe-modal-field input {
  width: 100%;
  height: 44px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 0 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: #0f172a;
  outline: none;
  transition: border-color 0.2s ease;
}

.subscribe-modal-field input:focus {
  border-color: var(--vb-accent-color);
}

.subscribe-modal-submit {
  width: 100%;
  height: 48px;
  background-color: var(--vb-accent-color);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
}

.subscribe-modal-submit:hover {
  filter: brightness(0.92);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.14);
  transform: translateY(-1px);
}

.subscribe-modal-footer-text {
  text-align: center;
  font-size: 0.88rem;
  color: #64748b;
  margin: 0.5rem 0 0 0;
}

.subscribe-modal-footer-text a {
  color: var(--vb-accent-color);
  font-weight: 600;
}

.subscribe-modal-success {
  text-align: center;
  padding: 1.5rem 0;
  color: #0f172a;
}

/* Article View Styling */
.article {
  max-width: 820px;
  margin: 0 auto;
  padding-top: 3rem;
  padding-bottom: 5rem;
}

.article-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin: 0 0 1.25rem 0;
}

.article-excerpt {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 2rem;
}

.vb-content {
  font-size: 1.15rem;
  line-height: 1.8;
}

/* Responsive Rules */
@media (max-width: 768px) {
  .vb-head-inner {
    grid-template-columns: auto 1fr;
    row-gap: 1rem;
  }
  .vb-head-brand {
    grid-column: 1 / -1;
    grid-row: 1;
  }
  .vb-head-menu-left {
    grid-column: 1;
    grid-row: 2;
  }
  .vb-head-actions {
    grid-column: 2;
    grid-row: 2;
  }
  .post-card-horizontal {
    flex-direction: column;
  }
  .post-card-horizontal-image-link {
    width: 100%;
    height: 220px;
  }
}

/* ==========================================================================
   Vibress Studio rich-content card styles (kg-* classes emitted by the
   shared public renderer). Appended verbatim to every bundled theme so all
   themes render Studio cards consistently. Scoped to .studio-html-content
   (the wrapper used by Post/Page components).
   ========================================================================== */
.studio-html-content .kg-card {
  margin: 2.4rem auto;
}
.studio-html-content .kg-card:first-child {
  margin-top: 0;
}
.studio-html-content figure {
  margin: 0;
}
.studio-html-content img {
  max-width: 100%;
  height: auto;
}
.studio-html-content figcaption {
  margin-top: 0.8rem;
  font-size: 0.9em;
  line-height: 1.5;
  text-align: center;
  color: var(--text-secondary, #6b7280);
}
.studio-html-content .kg-image-card img,
.studio-html-content .kg-gallery-card img {
  display: block;
  width: 100%;
  border-radius: 6px;
}
.studio-html-content .kg-image-card.kg-width-wide,
.studio-html-content .kg-image-card.kg-width-full {
  width: 100%;
}
.studio-html-content .kg-gallery-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  width: 100%;
}
.studio-html-content .kg-video-card video {
  display: block;
  width: 100%;
  background-color: #000;
  border-radius: 6px;
}
.studio-html-content .kg-audio-card audio {
  display: block;
  width: 100%;
}
.studio-html-content .kg-audio-card .title {
  margin-bottom: 0.6rem;
  font-weight: 600;
}
.studio-html-content .kg-embed-card iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: 6px;
}
.studio-html-content .kg-embed-card > a {
  word-break: break-word;
}
.studio-html-content .kg-button-card {
  text-align: center;
}
.studio-html-content .kg-button-card .btn {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  border-radius: 999px;
  color: #fff;
  background-color: var(--accent-color, #1f2937);
  text-decoration: none;
  font-weight: 600;
}
.studio-html-content .kg-callout-card {
  display: flex;
  gap: 1rem;
  padding: 1.6rem 2rem;
  border-radius: 8px;
  background-color: var(--light-gray, #f3f4f6);
}
.studio-html-content .kg-callout-card .emoji {
  flex-shrink: 0;
  font-size: 1.6rem;
  line-height: 1.4;
}
.studio-html-content .kg-toggle-card summary {
  cursor: pointer;
  font-weight: 600;
}
.studio-html-content .kg-toggle-card[open] summary {
  margin-bottom: 0.8rem;
}
.studio-html-content .kg-file-card a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.6rem;
  border: 1px solid var(--border-color, #d1d5db);
  border-radius: 8px;
  text-decoration: none;
}
.studio-html-content .kg-file-card .size {
  opacity: 0.65;
  font-size: 0.85em;
}
.studio-html-content .kg-bookmark-card a {
  display: block;
  padding: 1.6rem;
  border: 1px solid var(--border-color, #d1d5db);
  border-radius: 8px;
  text-decoration: none;
}
.studio-html-content .kg-bookmark-card .title {
  font-weight: 700;
}
.studio-html-content .kg-bookmark-card .desc {
  margin-top: 0.4rem;
  font-size: 0.9em;
  color: var(--text-secondary, #6b7280);
}
/* ==========================================================================
   Dark Mode Palette & Theme Tokens
   ========================================================================== */
[data-theme="dark"],
body.dark {
  --bg-base: #0b0f19;
  --bg-surface: #131b2e;
  --bg-subtle: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-subtle: #334155;
  background-color: var(--bg-base);
  color: var(--text-primary);
}

[data-theme="dark"] .vb-head,
body.dark .vb-head {
  background: rgba(11, 15, 25, 0.85);
  border-bottom-color: var(--border-subtle);
}

[data-theme="dark"] .post-card,
body.dark .post-card {
  background: var(--bg-surface);
  border-color: var(--border-subtle);
}

[data-theme="dark"] .site-footer-bottom,
body.dark .site-footer-bottom {
  background: var(--bg-base);
  border-top-color: var(--border-subtle);
}

/* ==========================================================================
   Theme Toggle Button & Controls
   ========================================================================== */
.vb-theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.vb-theme-toggle-btn:hover {
  transform: scale(1.05);
  border-color: var(--vb-accent-color);
  color: var(--vb-accent-color);
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   Table of Contents (TOC) Component Styling
   ========================================================================== */
.vb-toc-wrapper {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.vb-toc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

.vb-toc-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.vb-toc-toggle {
  background: none;
  border: none;
  font-size: 0.75rem;
  color: var(--text-muted);
  cursor: pointer;
}

.vb-toc-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid var(--border-hairline);
  padding-top: 0.875rem;
}

.vb-toc-item a {
  display: block;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  text-decoration: none;
  line-height: 1.5;
  transition: all 0.15s ease;
  border-radius: 6px;
  padding: 0.25rem 0.5rem;
}

.vb-toc-item.level-3 {
  padding-left: 1.25rem;
}

[dir="rtl"] .vb-toc-item.level-3 {
  padding-left: 0;
  padding-right: 1.25rem;
}

.vb-toc-item a:hover {
  color: var(--vb-accent-color);
  background: var(--brand-pink-light);
  transform: translateX(3px);
}

[dir="rtl"] .vb-toc-item a:hover {
  transform: translateX(-3px);
}

.vb-toc-item.is-active a {
  color: var(--vb-accent-color);
  font-weight: 650;
  background: var(--brand-pink-light);
}

/* Animations */
@keyframes vbFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes vbScaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}